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Angle and Parallel Line Task
Author:
Brian Gervase
GeoGebra
New Resources
Triangles, Squares and Unexpected Areas
Summarizing Data
Tracing the Sine and Cosine Functions
Tracing the Parabolic Cylinder
Derivative of Vector Functions
Discover Resources
(a+b)^2 identity
Reflections
rectangle
Tape Diagrams for Algebra (with examples)
Count & Add up to 20
Discover Topics
Circumcircle or Circumscribed Circle
Planes
Isosceles Triangles
Percentages
Arithmetic Operations